Figure 4

(a–d) Transmission electron image (TEM) of CuS QDs. (e) The selected area electron diffraction pattern in a specific region of a CuS QDs. (f) The lattice plane spacing of a CuS QDs.

(a–d) Transmission electron image (TEM) of CuS QDs. (e) The selected area electron diffraction pattern in a specific region of a CuS QDs. (f) The lattice plane spacing of a CuS QDs.